add vector ops, split_string

Author: mstop4

current-scripts/Demos/useful-scripts/scripts/math_structs/math_structs.gml

@@ -6,6 +6,14 @@ function Vector2(_x, _y) constructor {
 	static to_string = function() {
 		return "[ " + string(x) + ", " + string(y) + " ]";
 	}
+	
+	static add = function(_vec2) {
+		return new Vector2(x + _vec2.x, y + _vec2.y);
+	}
+	
+	static subtract = function(_vec2) {
+		return new Vector2(x - _vec2.x, y - _vec2.y);
+	}
 }
 
 /// @func Vector3(x, y, z)
@@ -17,6 +25,14 @@ function Vector3(_x, _y, _z) constructor {
 	static to_string = function() {
 		return "[ " + string(x) + ", " + string(y) + ", " + string(z) + " ]";
 	}
+	
+	static add = function(_vec3) {
+		return new Vector2(x + _vec3.x, y + _vec3.y, z + _vec3.z);
+	}
+	
+	static subtract = function(_vec3) {
+		return new Vector2(x - _vec3.x, y - _vec3.y, z - _vec3.z);
+	}
 }
 
 enum DVLimitMode {

current-scripts/Demos/useful-scripts/scripts/strings/strings.gml

@@ -78,6 +78,29 @@ function dialogue_line_breaker(_str, _max_width, _font) {
 	return _out_str;
 }
 
+/// @func          split_string(str, delimiter)
+/// @desc          Splits string into substrings
+/// @arg {string}  str
+/// @arg {string}  delimiter
+function split_string(_str, _delimiter) {
+	var _substrings = [];
+	var _str_len = string_length(_str);
+	var _buffer = "";
+	
+	for (var i=1; i<=_str_len; i++) {
+		var _char = string_char_at(_str, i);
+		if (_char == _delimiter) {
+			array_push(_substrings, _buffer);
+			_buffer = "";
+		} else {
+			_buffer += _char;
+		}
+	}
+	
+	array_push(_substrings, _buffer);
+	return _substrings;
+}
+
 /// @func          pad_string(str, char, position, width)
 /// @desc          Pads a string with char until it is a certain width
 /// @arg {string}  str